1911 Encyclopædia Britannica, Volume 28… (1911)
“ His name frequently figures as advancing loans to the king, and he supported John of Gaunt, duke of Lancaster, in the city, where there was a strong opposition to the king's uncle. His most famous exploit was his encounter with Wat Tyler in 1381, during his second term of office as lord mayor. In June of that year, when Tyler and his followers entered south London, Walworth defended London Bridge against them ”
